407156985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2393}}^1$

素因数の和:2622

約数の個数: 48

約数和(自身を含む): 746928000

約数和(自身を除く): 339771015

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 199, 285, 597, 855, 995, 1791, 2393, 2985, 3781, 7179, 8955, 11343, 11965, 18905, 21537, 34029, 35895, 45467, 56715, 107685, 136401, 170145, 227335, 409203, 476207, 682005, 1428621, 2046015, 2381035, 4285863, 7143105, 9047933, 21429315, 27143799, 45239665, 81431397, 135718995, 407156985]

約数ペア:

[(1, 407156985), (3, 135718995), (5, 81431397), (9, 45239665), (15, 27143799), (19, 21429315), (45, 9047933), (57, 7143105), (95, 4285863), (171, 2381035), (199, 2046015), (285, 1428621), (597, 682005), (855, 476207), (995, 409203), (1791, 227335), (2393, 170145), (2985, 136401), (3781, 107685), (7179, 56715), (8955, 45467), (11343, 35895), (11965, 34029), (18905, 21537)]